Chute-gate-operating mechanism



l. D. LANDIS. CHUTE GATE OPERATING MECHANISM. l

APPLlCATlON FILED AUG-22,1921

Patented May 30 @Hannah nire sraras rarer tries,

IRWIN D. LANDIS, OF SOUTH BEND., INDIANA, C0., OF fSOUTH BEND, INDIANA,

A CORPORATION OF INDIANA.

cHUTE-GArn-OPERATING Meenemen.

.' State of Indiana, have invented certain new and useful Improvements in Chute-Gate- Gperatin-g Mechanism, ofwhich the follow-V ing is a specification.

The invention relates 'to operating mecha` nisms for chute gates particularly for gates of the undercut type, and provided with an upwardly 'extending controlling member slidably mounted in a guide, said controlling member having connected thereto at points spaced `from the guide theends of a cable, which cable passes over pulleys adjacent the guide and over an operating drum disposed at a point spaced from the guide. Also to provide means whereby said operating drum may be rotated and whereby the cable may be prevented from slipping on the operating drum during the rotation thereof.

A further object is to provide an upwardly extending bar vertically movable and guidable for controlling a. chute gate, said bar being controlled in its upward and downward movement by means of a ,cable extending around an operating drum and having its ends passing over pulleys and connected tothe vertically guidable member at spaced points. Y

With the above and other objects in view v the invention resides in the combination and v arrangement of parts as hereinafter set forth, shown in the drawings, described and claimed, it being understood that changes in the precise embodiment of the invention may be made'within the scope of whatis claimed without departing from the spirit of the invention.

Figure 1 is a perspective view of a railroad dump pit showing the chute and the controlling mechanism applied thereto.

Figure 2 is a top plan view of the controlling mechanism.

Figure 3 is an enlarged view of the operating drum, more clearly showing the cable carried thereby.

Referring to the drawings, the numeral 1 designates a railroad track, and 2 a transversely disposed hopper, into which coal and the like is dumped from cars either by side, or bottom dump cars, or in any other suitable manner. The hopper 2sterminates in specification of Letters rat-ent.' Patented .May i Application mea August 22,1921. serial No. 494,268:

a chute 3 which chuteis controlled by. akseg'- A mentally shaped undercut gate which works'V enen To Univnnsan ooivvnrony so, i922. Y

upwardly through the transverselydisposed slot '5 and is carried by the arms 6 and 7. The arms 6 are disposed outsideiof-the chute 2 vand the arms i the segmentally shaped gate 4 adjacent its marginal edges and said gate will work downwardly through extends into a veyor bucket is lowered and guided to a pofreely upwardly and the slot 5. Chute 3 yin 'such a mannerthat pit 8, into which pit a con-A inside, thereby supporting Y sition below the chute so that material may I be easily and quickly deposited therein; said conveyor bucketbeing of conventional form where rollers are disposed on the sides there.- of and received by a guide 9,sa-id bucket vis not shown. The arms 6 are provided with Y inwardly extending arms 10, to the inner endsof which upwardly extending and con-V verging armsV 11 are pivo-tallyconneoted at 12. v Arms 11 have their upper ends connected to the lower end `13 of `a vertically.- movable guide bar 14, which bar extendsthrough an enlarged opening' 15 in a guide*A plate v16. Guide bar 14 is guided in its ver# tical movement during a gate closing and opening operation bythe guide plate 16, however the opening 15 Vis enlarged for the reason that as the arms 6 and "7 swing 0n willewing in anl are," therefore an enlarged guide opening 15 is necessary'for proper functioning of the bar ltgin its upward and downward movement.' The guide platel is secured to a horizontally disposedbar 17 carried by standards 18, and rotatablyy mounted in bearings 19 of extensions 20 carried kby the bar 17 is a shaft 21, to which shaft is, secured an operating drum 22. A crank 23 is carried by the shaft 21 and lby means of which crank the shaft 21 and its drum-22 may be rotated in any direction desired. Extending around the drum 22 isV a plurality of convolutions 24 of an operating cable 25, one of said convolutions being secured at 26 to' the drum for preventing slipping of the cable on the drum incident to stretching thereof during a gate opening or closing operation. The portion r27' of the cable 25 extends inwardly in the their pivotal points 6.a, the pivotal points 12 l upper' end oi' the bar 14. The portion A30 of the cable which passes under the drum 22 extendsfin the direction of the plate 16 and passes over a pulley 31 carried by the bar 17 adjacent the plate 16 and thence downwardly and has its end connected as at 82 to the bar 14 adjacent its lower end 13.

It will be seen that when the operator rotates the drum 22 in the direction of the arrow a that an upward pull will be imparted on the giiide bar 14, and that the undercut gate 14 willbe closed, also that when the drum is rotatedinthe direction of the arrow Z) that a downward pull will be. imparted on the bar 1/1 th ereby forcing theundercut'gate 41 downwardlyand allowing material within the hopper 2 to pass through the chute 3 and discharge into a conveyor bucket within the pit 8.

From theabove it will be seen that a chute gate operating mechanism is provided which is simple' in a chute gate located within a prit may be easily and quickly controlled 'from a position adjacent one side of the pit and hopper, thereby allowing` the filling of the conveyor buckets to be controlled by a single operator from a position where he can observe theentire operation at all times.

The invention having been set 'forth what is claimed as new and useful is 1. The combination with a chute gate having an upwardly extending bar for controlling said gate, said bar being slidably mount' ed in a guide, of an operating mechanism for moving said bar upwardly and downwardly, Said operating mechanism comprisingY an operating drum spaced from the bar, a cable extending around said operating drum,

pulleys adjacent said bar, the ends of sai-d cable extending over'said pulleys and connected to the operating bar at points spaced from its guide. Y f

2. The combination with a chute gate of a hopper located in a pit, of an operating` mechanism for operating said gate from a in construction andY one wheremounted in a guide, an operating drum locatedV at a point spaced from the guide, pulleys located adjacent the guide, 'a'V cable extending around theV operating drum, the ends of said cable extending over the pulleys and connected to the bar at pointss'paced from its guide.

L1. The combination with a chute gate of a hopper located in apit, of an operatingV mechanism for operating said gate from a point above the pit and hopper, saidy mechanism Comprising a vertically movable and guidable bar, the lower end of said Vbar be- -ing connected to the gate,the upperzend o'l:

said bar being slidably mounted Ainra guide and down-A Y said mechanism com! disposed above the hopper Yand means where-AV by saidbar may be moved upwardly or downwardly for controlling the gate. Y

`5. The combination with a chutegate of a hopper located in a pit, of an operating mechanism for operating said gate from a point above theV pit and hopper, said mechanism comprising a vertically movable and guidable bar, the lower endof said bar being` connected to the gate, a guide' 'for 'H guiding the upper end of saidbar, cable connectionswith said bar and 'means for controlling said cable connections from a 1 point adjacent one side of the pit for mov'- ing said bar upwardly and downwardly.

In testimony whereof IaiiiX my signature.'

IRWIN D.Y LANDIS. 

